From: Matt Gushee <matt@gushee.net>

> > There seems to be another problem with gdbm-ndbm.h being ignored if
> > there is no gdbm_compat library, which might have to be fixed, but I'm
> > no gdbm exert. gdbm-ndbm.h was not checked on ocaml 3.06, but it has
> > lower priority than ndbm.h anyway.
> 
> Ah, but it effectively has a *higher* priority in the configure script:
> 
>   for dir in /usr/include /usr/include/db1 /usr/include/gdbm; do
>     if test -f $dir/ndbm.h; then
>       ....
        break
>     fi
>     if test -f $dir/gdbm-ndbm.h; then
>       ....
        break
>     fi
>   done

The break is supposed to get out of the loop, so if ndbm.h is in the
same directory, or a previous directory, it has priority.
This is a bit confusing, as if ndbm.h is in /usr/include/db1 and
gdbm-ndbm.h is in /usr/include, then gdbm-ndbm.h will be selected.
Is it your case?

> And maybe it would be useful to add a -dbm-includes option to the
> configure script, to help people work around this sort of situation. I
> suspect I'm not the only person with more than one DBM library.

Probably a good idea indeed.

         Jacques

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